The English word joi meaning "happiness" or "joy" It may also be a given name in Vietnamese, Korean, or Japanese. Joi meaning can be used in phrases like these as a word or phrase:

• The first time she saw her baby grin, she experienced a rush of joy. (She had a rush of happiness when witnessing her infant grin for the first time.)
• Joi signifies, you are very intelligent and attractive. I cherish you. (Joi means "you're very smart and beautiful." I cherish you.